Wafer boat



FIG. 1 is a front, top, and left side perspective view of a wafer boat, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a cross-sectional view thereof, taken along line 5-5 in FIG. 2;

FIG. 6 is an enlarged portion view thereof, taken along line 6-6 in FIG. 5;

FIG. 7 is an enlarged cross-sectional view thereof, taken along line 7-7 in FIG. 2;

FIG. 8 is an enlarged cross-sectional view thereof, taken along line 8-8 in FIG. 2; and,

FIG. 9 is an enlarged cross-sectional view thereof, taken along line 9-9 in FIG. 2.

The broken lines shown in the drawings represent portions of the wafer boat that form no part of the claimed design. All sides not shown form no part of the claimed design. 

CLAIM The ornamental design for a wafer boat, as shown and described. 